【摘要】 数字滤波在数字信号处理中占有极其重要的地位,并且被广泛应用。研究了在Matlab环境下FIR数字滤波器的设计方法以及FIR滤波器在信号去噪方面的应用。Matlab因其强大的数据处理功能被广泛应用于工程计算,其丰富的工具箱为工程计算提供了便利,利用Matlab信号处理工具箱可以快速有效地设计各种数字滤波器,设计简单方便。更多还原

【Abstract】 The digital filters play a very important role and have been widely applied in digital signal processing. The design method for FIR digital filter under Matlab environment and the application of FIR filter in eliminating noise of signals are researched. Matlab can be widely used in engineering calculations because of its powerful functions of data processing. Its rich toolbox makes the calculations easy. With Matlab signal processing toolbox, various digital filters can be designed effectively in simple way.更多还原